Alex Voicu
140 wiersze
4.7 KiB
C++
140 wiersze
4.7 KiB
C++
/*
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Copyright (c) 2015-2016 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/* HIT_START
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* BUILD: %t %s ../test_common.cpp EXCLUDE_HIP_PLATFORM nvcc
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* RUN: %t
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* HIT_END
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*/
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#include "test_common.h"
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#include <hip/hip_runtime.h>
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#include <hip/hip_runtime_api.h>
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#include <iostream>
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#define HIP_ASSERT(status) assert(status == hipSuccess)
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#define LEN 50
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#define SIZE (LEN * sizeof(bool))
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__global__ void kernelTestFMA(bool *Ad) {
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float f = 1.0f / 3.0f;
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double d = f;
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int i = 0;
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auto Check = [&](bool Cond) { Ad[i++] = Cond; };
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// f * f + 3.0f will be different if promoted to double.
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float floatResult = fma(f, f, 3.0f);
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double doubleResult = fma(d, d, 3.0);
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Check(floatResult != doubleResult);
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// check promote to float.
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Check(fma(f, f, 3) == floatResult);
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Check(fma(f, f, (char)3) == floatResult);
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Check(fma(f, f, (unsigned char)3) == floatResult);
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Check(fma(f, f, (short)3) == floatResult);
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Check(fma(f, f, (unsigned short)3) == floatResult);
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Check(fma(f, f, (int)3) == floatResult);
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Check(fma(f, f, (unsigned int)3) == floatResult);
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Check(fma(f, f, (long)3) == floatResult);
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Check(fma(f, f, (unsigned long)3) == floatResult);
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Check(fma(f, f, true) == fma(f, f, 1.0f));
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// check promote to double.
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Check(fma(d, (double)f, 3) == doubleResult);
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Check(fma(d, (double)f, (char)3) == doubleResult);
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Check(fma(d, (double)f, (unsigned char)3) == doubleResult);
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Check(fma(d, (double)f, (short)3) == doubleResult);
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Check(fma(d, (double)f, (unsigned short)3) == doubleResult);
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Check(fma(d, (double)f, (int)3) == doubleResult);
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Check(fma(d, (double)f, (unsigned int)3) == doubleResult);
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Check(fma(d, (double)f, (long)3) == doubleResult);
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Check(fma(d, (double)f, (unsigned long)3) == doubleResult);
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Check(fma(d, (double)f, true) == fma((double)f, (double)f, 1.0));
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while (i < LEN)
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Check(true);
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}
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void runTestFMA() {
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bool *Ad;
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bool A[LEN];
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for (unsigned i = 0; i < LEN; i++) {
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A[i] = 0;
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}
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HIP_ASSERT(hipMalloc((void **)&Ad, SIZE));
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hipLaunchKernelGGL(kernelTestFMA, dim3(1, 1, 1), dim3(1, 1, 1), 0, 0, Ad);
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HIP_ASSERT(hipMemcpy(A, Ad, SIZE, hipMemcpyDeviceToHost));
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for (unsigned i = 0; i < LEN; i++) {
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assert(A[i]);
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}
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}
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__global__ void kernelTestHalfFMA(bool *Ad) {
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_Float16 h = (_Float16)(1.0f/3.0f);
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float f = h;
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double d = f;
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int i = 0;
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auto Check = [&](bool Cond) { Ad[i++] = Cond; };
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// h * h + 3 will be different if promoted to float.
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_Float16 halfResult = fma(h, h, (_Float16)3);
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float floatResult = fma(f, f, 3.0f);
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double doubleResult = fma(d, d, 3.0);
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Check(halfResult != floatResult);
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Check(halfResult != doubleResult);
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// check promote to half.
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Check(fma(h, h, 3) == halfResult);
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Check(fma(h, h, (char)3) == halfResult);
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Check(fma(h, h, (unsigned char)3) == halfResult);
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Check(fma(h, h, (short)3) == halfResult);
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Check(fma(h, h, (unsigned short)3) == halfResult);
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Check(fma(h, h, (int)3) == halfResult);
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Check(fma(h, h, (unsigned int)3) == halfResult);
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Check(fma(h, h, (long)3) == halfResult);
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Check(fma(h, h, (unsigned long)3) == halfResult);
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Check(fma(h, h, true) == fma(h, h, (_Float16)1));
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while (i < LEN)
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Check(true);
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}
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void runTestHalfFMA() {
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bool *Ad;
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bool A[LEN];
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for (unsigned i = 0; i < LEN; i++) {
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A[i] = 0;
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}
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HIP_ASSERT(hipMalloc((void **)&Ad, SIZE));
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hipLaunchKernelGGL(kernelTestHalfFMA, dim3(1, 1, 1), dim3(1, 1, 1), 0, 0, Ad);
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HIP_ASSERT(hipMemcpy(A, Ad, SIZE, hipMemcpyDeviceToHost));
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for (unsigned i = 0; i < LEN; i++) {
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assert(A[i]);
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}
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}
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int main() {
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runTestFMA();
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runTestHalfFMA();
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passed();
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}
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